US PATENT SUBCLASS 75 / 363
.~.~ At 300 degrees C or greater


Current as of: June, 1999
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75 /   HD   SPECIALIZED METALLURGICAL PROCESSES, COMPOSITIONS FOR USE THEREIN, CONSOLIDATED METAL POWDER COMPOSITIONS, AND LOOSE METAL PARTICULATE MIXTURES

330  DF  PROCESSES {9}
343  DF  .~ Producing or purifying free metal powder or producing or purifying alloys in powder form (i.e., named or of size up to 1,000 microns in its largest dimension) {9}
363.~.~ At 300 degrees C or greater {5}
364  DF  .~.~.~> Combined with step at less than 300 degrees C using nonmetallic material which is liquid under standard conditions {1}
366  DF  .~.~.~> Utilizing a fluidized bed
367  DF  .~.~.~> Vaporizing or condensing free metal
368  DF  .~.~.~> Settling of powder in molten metal or salt bath
369  DF  .~.~.~> Purifying powdered metal or reducing powdered metal compound to free metal


DEFINITION

Classification: 75/363

At 300 degrees C or greater:

(under subclass 343) Process in which at least one process step is performed at a temperature of 300 degrees C or greater.